Systematic chemoenzymatic synthesis of O-sulfated sialyl Lewis x antigens

被引:0
|
作者
Santra, Abhishek [1 ]
Yu, Hai [1 ]
Tasnima, Nova [1 ]
Muthana, Musleh M. [1 ]
Li, Yanhong [1 ]
Zeng, Jie [1 ,2 ]
Kenyon, Nicholas J. [3 ]
Louie, Angelique Y. [4 ]
Chen, Xi [1 ]
机构
[1] Univ Calif Davis, Dept Chem, One Shields Ave, Davis, CA 95616 USA
[2] Henan Inst Sci & Technol, Sch Food Sci, Xinxiang 453003, Peoples R China
[3] Univ Calif Davis, Dept Internal Med, Div Pulm Crit Care & Sleep Med, Davis, CA 95616 USA
[4] Univ Calif Davis, Dept Biomed Engn, Davis, CA 95616 USA
关键词
ENDOTHELIAL-DERIVED LIGAND; LE(X) GANGLIOSIDE ANALOGS; REAL CARBOHYDRATE LIGAND; MAJOR CAPPING GROUP; L-SELECTIN; SIGLEC-F; AUTOMATED SYNTHESIS; HEPARAN-SULFATE; BUILDING-BLOCK; GLYCANS;
D O I
10.1039/c5sc04104j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
O-Sulfated sialyl Lewis x antigens play important roles in nature. However, due to their structural complexity, they are not readily accessible by either chemical or enzymatic synthetic processes. Taking advantage of a bacterial sialyltransferase mutant that can catalyze the transfer of different sialic acid forms from the corresponding sugar nucleotide donors to Lewis x antigens, which are fucosylated glycans, as well as an efficient one-pot multienzyme (OPME) sialylation system, O-sulfated sialyl Lewis x antigens containing different sialic acid forms and O-sulfation at different locations were systematically synthesized by chemoenzymatic methods.
引用
收藏
页码:2827 / 2831
页数:5
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